<div class="page">
    <div class="page__hd">
        <h1 class="page__title">Button</h1>
        <p class="page__desc">按钮</p>
    </div>
    <div class="page__bd">
        <a href="#button_default" role="button" class="weui-btn weui-btn_default">普通型</a>
        <a href="#button_bottom_fixed" role="button" class="weui-btn weui-btn_default">底部悬浮型</a>
    </div>
</div>
